Solve formulas and quizzes
Concepts through tutorials, formulas, and quizzes. Calculate variables using a smart formula solver. Access 4 tutorials for free or upgrade to unlock 11 additional tutorials. Track progress with built-in quizzes and formula references.
Showing 321–340 of 1,000 ranked alternatives.
Geoffrey Watt
Explore gemstone details and prices
Explore gemstone information with detailed descriptions, photos, and origin details. Search by gem type or characteristics. View current stock and high-quality images. Access the Gemepedia for alphabetical listings and educational content.
Manish Kumar
With quizzes and tests
Students can questions chapter by chapter, take mock tests for comprehensive review, and track performance with detailed statistics. Features include quiz-based learning, performance monitoring, and curriculum-aligned .
ahmet Baydas
Test systems with quizzes
Test knowledge of systems with multiple choice quizzes on ADF, VOR, DME, NDB, HSI, and RMI. Practice positioning, holding patterns, and standard procedures. Track progress and reinforce understanding of instrument flight techniques.
V PUGAZHENTHI
Calculate and civil parameters
Provides tools for calculating area, moment of inertia, distance from axis, radius of gyration, and section modulus for rectangular and square beams. Supports metric and imperial units.
Carlo Terracciano
Calculate electrical values
Helps users calculate electrical values using Ohm's Law. It includes practical exercises and theoretical explanations. Users can explore basic electrical concepts and advanced topics with structured lessons and problem-solving tools.
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